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Topic Modeling and Cultural Nature of Citations.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Topic Modeling and Cultural Nature of Citations./
作者:	Dumaz, Marie Coraline.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
面頁冊數:	86 p.
附註:	Source: Masters Abstracts International, Volume: 83-05.
Contained By:	Masters Abstracts International83-05.
標題:	Publication output. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28811972
ISBN:	9798494457486

Topic Modeling and Cultural Nature of Citations.
Dumaz, Marie Coraline.

Topic Modeling and Cultural Nature of Citations. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 86 p.

Source: Masters Abstracts International, Volume: 83-05.

Thesis (M.S.)--West Virginia University, 2021.

This item must not be sold to any third party vendors.

Ever since the beginning of research journals, the number of academic publications has been increasing steadily. Nowadays, especially, with the new importance of online open-access journals and databases, research papers are more easily available to read and share. It also becomes harder to keep up with novelties and grasp an idea of the general impact of a given researcher, institution, journal, or field. For this reason, different bibliometric indicators are now routinely used to classify and evaluate the impact or significance of individual researchers, conferences, journals, or entire scientific communities. In this thesis, we provide tools to study trends in any given area of science. However, we focus our work on the field of Density Functional Theory (DFT), an important methodology in physics and chemistry, used to describe materials at the atomic scale, which has demonstrated an exponential number of related publications (with 5,339 in 2010, 9,931 in 2015 and 14,265 in 2019). We measure the specific impact of this theory by means of the citation record of the most used solid-state first principle {\\it ab initio} computational packages. Along with this analysis, we developed a Python library, pyBiblio, to compute basic bibliometric analyses on any Web of Science database. To get a deeper understanding of the field, we also use the Latent Dirichlet Allocation (LDA) algorithm on the abstracts of the papers published in this field to classify documents into topics of interest. Indeed, LDA is a generative topic modeling algorithm that creates an efficient and reliable distribution of documents over topics constructed from the papers' vocabulary. We find that DFT is a collaborative field, with tight international clusters, especially in Europe and between countries where packages are developed. We study the evolution of topics over the years and find evidence for the specialization of the software packages, even if they include similar capabilities.

ISBN: 9798494457486Subjects--Topical Terms:

3683487
Publication output.

Topic Modeling and Cultural Nature of Citations.
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